 It's hot. We're experiencing peak season demand, but the best offers don't end. Scott Shelton here for Charlotte Comfort Systems, the area's original Linux premier dealer. Many of our competitors eliminate special offers in peak season, but not at Charlotte Comfort Systems. In fact, we have some of the year's best offers right now. We can install a high-efficiency Linux AC system for as low as $99 a month. The hot weather is a reminder how an old, inefficient system just can't keep up.